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  • Dengue fever is a tropical disease that is borne by mosquitoes. It is caused by the dengue virus. 
  • Dengue is spread by several species of female mosquitoes of the Aedes variety, specifically of the A.aegypti.
  • The ideal conditions for this species of mosquitos are usually between the latitudes of 35° North and 35° South with an elevation of 1000 metres (3300 ft).
  • Even though humans are the primary host of the virus, non-human primates are also carriers.
  • A single bite is more than enough to be a cause for infection.
  • A female mosquito that bites a person infected person with dengue becomes itself infected during the initial 2-10 day febrile period.
  • After 8 – 10 days, the virus spreads to other tissues including the mosquitoes salivary glands and is subsequently released into its saliva. As per the research conducted on this species, the mosquito remains infected.
Dengue Fever - Symptoms, Causes and Preventive Measures of Dengue
February 2024